Elphel NC393 mechanical CAD by Elphel Inc.
Original model and applicable CERN Open Hardware Licence notices: https://wiki.elphel.com/wiki/Elphel_camera_parts_0393-11
Source file: https://community.elphel.com/files/production/0393-11-01C.stp.tar.gz
https://wiki.elphel.com/wiki/About_Elphel%2C_Inc